Intercom system



FIG. 1 is a top view of an intercom system according to an embodiment of the invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom view thereof.

Any dashed lines in the drawings depict environment and/or disclaimed subject matter and form no part of the claimed design. Further, Applicant reserves the right to disclaim or claim any portion or portions of the design(s). 

CLAIM The ornamental design for an intercom system, as shown and described. 